JEE Chemistry 2025 Question with Solution

Given: The listed vitamins are Vitamin B$_1$, Vitamin C, Vitamin E, Vitamin B$_{12}$, and Vitamin K.

Find: Which of these are fat-soluble vitamins and identify the correct option.

Fat-soluble vitamins are stored in the body's fatty tissues and include Vitamin A, Vitamin D, Vitamin E, and Vitamin K.

Water-soluble vitamins include the B-complex vitamins and Vitamin C.

From the given list:

• Vitamin B$_1$ is water-soluble.
• Vitamin C is water-soluble.
• Vitamin E is fat-soluble.
• Vitamin B$_{12}$ is water-soluble.
• Vitamin K is fat-soluble.

Therefore, the fat-soluble vitamins are Vitamin E and Vitamin K, that is C and E only.

The correct option is D.

Given: We need to identify the fat-soluble vitamins from the list.

Find: The correct pair among the given choices.

Use the mnemonic ADEK to recall the fat-soluble vitamins:

• A
• D
• E
• K

Now compare with the question list. Among the listed vitamins, only E and K belong to ADEK.

Therefore, the correct option is D.